1.Grafted PP of maleic anhydride&PP-g-MAH&MAH-g-PP&Grafted PP&PP additive 2.SGS,RoHS,ISO9001:2008. ... competivie price.1.Grafted PP of maleic anhydride&PP-g-MAH&MAH-g-PP&Grafted PP&PP additive2.SGS,RoHS,ISO9001:2008 ... 90 for 4 hours. Grafted PP of maleic anhydride&PP-g-MAH&MAH-g-PP&Grafted PP&PP additive